1. Precaution Follow these special safety precautions . Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents . 1-1 Safety precautions ( 1.
1. Precaution 1-2 Special High Voltage Precautions 1. High Voltage Warning Do not attempt to measure any of the high voltages --this includes the filament voltage of the magnetron . High voltage is present during any cook cycle . Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1) 2.
2. Specifications 2-1 Features Product Features - Heavy Duty Commercial Microwave Oven. - Mechanical Dial Control. - Top Feeding Microwave Distribution. - Easy to VFD Display. - All Stainless Steel for inside & Outside for Hygiene & Durabillty. 2-2 Table of Specifications Model Items Model Basic...
3. Disassembly and Reassembly 3-1 Replacement of Magnetron Remove the magnetron including the shield case, permanent magnet, choke coils and capacitors (all of which are contained in one assembly) Parts Explaination Photo Explaination Duct-MGT-L 1. Remove the outer panel . Nut-Flange Duct-Fan NOTE : Before servicing, make...
3. Disassembly and Reassembly 3-3 Replacement of Door Assembly Explanation Photo Door C Upper Hinge Door E Ass'y Decoration Door Screen B Decoration Door Cover 2 screws securing Door Handle Key-Door Lower Hinge Pin-Key Spring-Key Door Handle Door Handle Cover Parts Explaination NOTE : Be sure to wear gloves when you disassemble or assemble the parts .
3. Disassembly and Reassembly 3-4 Replacement of Fuse and H.V.Fuse Parts Explaination Photo Explaination 1. Disconnect the oven from the power source . 2. Remove defective fuse from Noise filter. 3. When replacing the fuse, besure to use an exact replacement part .
3. Disassembly and Reassembly 3-6 Replacement of Control Circuit Box Assy and P.C.Board Parts Explanation Photo Explanation 1. Be sure to discharge any static electric charge built up on your body and avoid touching the touch control circuitry 2. Remove 3 screws securing the Control Box Ass’y to the oven cavity 3.
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3. Disassembly and Reassembly 3-6 Replacement of Control Circuit Box Assy and P.C.Board (Continued) Parts Explanation Photo Explanation Control Box 6. Remove 5 screws securing the Assembly Control Box Assembly...
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3. Disassembly and Reassembly 3-6 Replacement of Control Circuit Box Assy and P.C.Board (Continued) Parts Explanation Photo Explanation 1. Remove all lead wires securing the P C Board P C Board 2. Remove 4 screws securing the P C Board...
3. Disassembly and Reassembly 3-7 Replacement of Fan Motor Parts Explaination Photo Explaination 1. Remove the outerpanel and back-cover. 2. Discharge the high voltage capacitor. 3. Remove all the lead wires from Magnetron Ventilation Motor and High Voltage Capacitor. 4. Remove 2 screws securing the duct fan. 5.
3. Disassembly and Reassembly 3-10 Replacement of Air Filter Parts Explaination Photo Explaination 1. Pull out the spacer pins at both ends of the Air Filter. Then the locking clamps inside are released. Air Filter 2. Lift the Air Filter off the post carefully. NOTE : Spacer pins are not detachable from the Air Filter.
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CODE CAUSE CORRECTIONS 1. Improper input power freqency. Check if power frequency is 50Hz. 2. Defective Ass’y Main P.C.B Replace Ass’y Main P.C.B or MICOM 1. Overtheating inside cavity Check if the oven was operating without load or too little load and plug the power cord in again. If error (no load or little load aging) code ‘E3’...